diff --git a/markdown_file/nilmanshi.md b/markdown_file/nilmanshi.md
index b5e6edb..b2070c1 100644
--- a/markdown_file/nilmanshi.md
+++ b/markdown_file/nilmanshi.md
@@ -31,7 +31,7 @@
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 |27|python|https://codeforwin.org/2015/05/c-program-to-check-whether-number-is-divisible-by-5-and-11.html|
-|28|||
+|28|laugh|https://www.dictionary.com/browse/laughing|
 |29|||
 |30|||
 |31|||